<template>
  <BasicContainer>
    <ElRow :span="24">
      <ElCol :md="4">
        <div class="tree-position">
          <FyTree :option="treeOption" :data="treeData" @node-click="nodeClick" />
        </div>
      </ElCol>
      <ElCol :md="20">
        <div v-loading="saveLoading" class="public-account-management clearfix">
          <!--左边配置菜单-->
          <div class="left">
            <div class="weixin-hd">
              <div class="weixin-title">
                {{ menuName }}
              </div>
            </div>
            <div class="weixin-menu menu_main clearfix">
              <div v-for="(item, i) of menu.button" :key="i" class="menu_bottom">
                <!-- 一级菜单 -->
                <div class="menu_item el-icon-s-fold" :class="{ active: isActive === i }" @click="menuFun(i, item)">
                  {{ item.name }}
                </div>
                <!--以下为二级菜单-->
                <div v-if="isSubMenuFlag === i" class="submenu">
                  <template v-for="(subItem, k) in item.sub_button">
                    <div v-if="item.sub_button" :key="k" class="subtitle menu_bottom">
                      <div
                        class="menu_subItem"
                        :class="{ active: isSubMenuActive === `${i}${k}` }"
                        @click="subMenuFun(subItem, i, k)">
                        {{ subItem.name }}
                      </div>
                    </div>
                  </template>
                  <!--  二级菜单加号， 当长度 小于  5 才显示二级菜单的加号  -->
                  <div
                    v-if="!item.sub_button || item.sub_button.length < 5"
                    class="menu_bottom menu_addicon"
                    @click="addSubMenu(i, item)">
                    <i class="el-icon-plus"></i>
                  </div>
                </div>
              </div>
              <!-- 一级菜单加号 -->
              <div v-if="menuKeyLength < 3" class="menu_bottom menu_addicon" @click="addMenu">
                <i class="el-icon-plus"></i>
              </div>
            </div>
            <div class="save_div">
              <ElButton v-if="permissions.mp_wxmenu_add" class="save_btn" type="success" size="small" @click="saveMenu"
                >保存</ElButton
              >
              <ElButton v-if="permissions.mp_wxmenu_push" class="save_btn" type="info" size="small" @click="publishMenu"
                >发布</ElButton
              >
            </div>
          </div>
          <!--右边配置-->
          <div v-if="showRightFlag" class="right">
            <div class="configure_page">
              <div>
                <span>菜单标识：</span>
                <ElInput
                  v-model="tempObj.key"
                  class="input_width"
                  placeholder="请输入菜单KEY"
                  :maxlength="nameMaxlength"
                  clearable />
              </div>
              <div class="menu_content">
                <span>菜单名称：</span>
                <ElInput
                  v-model="tempObj.name"
                  class="input_width"
                  placeholder="请输入菜单名称"
                  :maxlength="nameMaxlength"
                  clearable />
              </div>
              <div v-if="showConfigurContent">
                <div class="menu_content">
                  <span>菜单内容：</span>
                  <ElSelect v-model="tempObj.type" clearable placeholder="请选择" class="menu_option">
                    <ElOption v-for="item in menuOptions" :key="item.value" :label="item.label" :value="item.value" />
                  </ElSelect>
                </div>
                <div v-if="tempObj.type === 'view'" class="configur_content">
                  <span>跳转链接：</span>
                  <ElInput v-model="tempObj.url" class="input_width" placeholder="请输入链接" clearable />
                </div>
                <div v-if="tempObj.type === 'miniprogram'" class="configur_content">
                  <div class="applet">
                    <span>小程序的appid：</span>
                    <ElInput v-model="tempObj.appid" class="input_width" placeholder="请输入小程序的appid" clearable />
                  </div>
                  <div class="applet">
                    <span>小程序的页面路径：</span>
                    <ElInput
                      v-model="tempObj.pagepath"
                      class="input_width"
                      placeholder="请输入小程序的页面路径，如：pages/index"
                      clearable />
                  </div>
                  <div class="applet">
                    <span>备用网页：</span>
                    <ElInput
                      v-model="tempObj.url"
                      class="input_width"
                      placeholder="不支持小程序的老版本客户端将打开本网页"
                      clearable />
                  </div>
                  <p class="blue">tips:需要和公众号进行关联才可以把小程序绑定带微信菜单上哟！</p>
                </div>
                <div v-if="tempObj.type === 'view_limited'" class="configur_content">
                  <ElRow>
                    <div v-if="tempObj && tempObj.content && tempObj.content.newsItem" class="select-item">
                      <WxNews :obj-data="tempObj.content.newsItem" />
                      <ElRow class="ope-row">
                        <ElButton type="danger" icon="el-icon-delete" circle @click="deleteTempObj" />
                      </ElRow>
                    </div>
                    <div v-if="!tempObj.content || !tempObj.content.newsItem">
                      <ElRow>
                        <ElCol :span="24" style="text-align: center">
                          <ElButton type="success" @click="openMaterial">
                            素材库选择<i class="el-icon-circle-check el-icon--right"></i>
                          </ElButton>
                        </ElCol>
                      </ElRow>
                    </div>
                    <ElementDialog title="选择图文" :visible.sync="dialogNewsVisible" width="90%">
                      <WxMaterialSelect
                        :obj-data="{ repType: 'news', appId: checkAppId }"
                        @selectMaterial="selectMaterial" />
                    </ElementDialog>
                  </ElRow>
                </div>
                <div v-if="tempObj.type === 'click' || tempObj.type === 'scancode_waitmsg'" class="configur_content">
                  <WxReplySelect v-if="hackResetWxReplySelect" :obj-data="tempObj" />
                </div>
              </div>
              <div class="delete_btn">
                <ElButton
                  v-if="permissions.mp_wxmenu_del"
                  size="mini"
                  type="danger"
                  icon="el-icon-delete"
                  @click="deleteMenu(tempObj)">
                  删除当前菜单
                </ElButton>
              </div>
            </div>
          </div>
          <!--一进页面就显示的默认页面，当点击左边按钮的时候，就不显示了-->
          <div v-if="!showRightFlag" class="right">
            <p>请选择菜单配置</p>
          </div>
        </div>
      </ElCol>
    </ElRow>
  </BasicContainer>
</template>

<script>
  import { getObj, publishObj, saveObj } from '@/api/mp/wx-menu'
  import { fetchAccountList } from '@/api/mp/wx-account'
  import { mapState } from 'vuex'

  export default {
    name: 'WxMenu',
    data() {
      return {
        treeOption: {
          nodeKey: 'id',
          addBtn: false,
          menu: false,
          props: {
            labelText: '标题',
            label: 'name',
            value: 'appid',
            children: 'children'
          }
        },
        treeData: [],
        checkAppId: undefined,
        showRightFlag: false, // 右边配置显示默认详情还是配置详情
        menu: {
          button: []
        }, // 横向菜单
        isActive: -1, // 一级菜单点中样式
        isSubMenuActive: -1, // 一级菜单点中样式
        isSubMenuFlag: -1, // 二级菜单显示标志
        tempObj: {}, // 右边临时变量，作为中间值牵引关系
        tempSelfObj: {
          // 一些临时值放在这里进行判断，如果放在tempObj，由于引用关系，menu也会多了多余的参数
        },
        menuName: '',
        showConfigurContent: true,
        nameMaxlength: 0, // 名称最大长度
        menuOptions: [
          {
            value: 'view',
            label: '跳转网页'
          },
          {
            value: 'miniprogram',
            label: '跳转小程序'
          },
          {
            value: 'click',
            label: '点击回复'
          },
          {
            value: 'view_limited',
            label: '跳转图文消息'
          },
          {
            value: 'scancode_push',
            label: '扫码直接返回结果'
          },
          {
            value: 'scancode_waitmsg',
            label: '扫码回复'
          },
          {
            value: 'pic_sysphoto',
            label: '系统拍照发图'
          },
          {
            value: 'pic_photo_or_album',
            label: '拍照或者相册'
          },
          {
            value: 'pic_weixin',
            label: '微信相册'
          },
          {
            value: 'location_select',
            label: '选择地理位置'
          }
        ],
        dialogNewsVisible: false,
        saveLoading: false,
        hackResetWxReplySelect: false
      }
    },
    computed: {
      ...mapState('user', ['permissions']),
      // menuObj的长度，当长度 小于  3 才显示一级菜单的加号
      menuKeyLength() {
        return this.menu.button.length
      }
    },
    created() {
      this.getAccountList()
    },
    methods: {
      nodeClick(data) {
        this.checkAppId = data.appid
        this.tempObj.appId = data.appid
        this.getMenuFun()
      },
      getAccountList() {
        fetchAccountList().then(response => {
          this.treeData = response.data.data
          // 默认选中第一个
          if (this.treeData.length > 0) {
            this.nodeClick(this.treeData[0])
          }
        })
      },
      deleteTempObj() {
        this.$delete(this.tempObj, 'repName')
        this.$delete(this.tempObj, 'repUrl')
        this.$delete(this.tempObj, 'content')
      },
      openMaterial() {
        this.dialogNewsVisible = true
      },
      selectMaterial(item) {
        if (item.content.newsItem.length > 1) {
          this.$alert('您选择的是多图文，将默认跳转第一篇', '提示', {
            confirmButtonText: '确定'
          })
        }
        this.dialogNewsVisible = false
        this.tempObj.media_id = item.mediaId
        this.tempObj.mediaName = item.name
        this.tempObj.url = item.url
        item.mediaType = this.tempObj.mediaType
        item.content.newsItem = item.content.newsItem.slice(0, 1)
        this.tempObj.content = item.content
      },
      getMenuFun() {
        getObj(this.checkAppId).then(res => {
          if (res.data.data) {
            const data = JSON.parse(res.data.data)
            if (data && data.button) {
              this.menu.button = data.button
            }
          }
        })
      },
      handleClick(tab, event) {
        this.tempObj.mediaType = tab.name
      },
      saveMenu() {
        this.$confirm('确定要保存该菜单吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
          .then(() => {
            this.saveLoading = true
            saveObj(this.checkAppId, this.menu)
              .then(response => {
                this.saveLoading = false
                this.$message.success('保存成功，请点击发布')
              })
              .catch(() => {
                this.saveLoading = false
              })
          })
          .catch(() => {})
      },
      publishMenu() {
        this.$confirm('确定要发布该菜单吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          this.saveLoading = true
          publishObj(this.checkAppId)
            .then(response => {
              this.saveLoading = false
              this.$message.success('发布成功')
            })
            .catch(() => {
              this.saveLoading = false
            })
        })
      },
      // 一级菜单点击事件
      menuFun(i, item) {
        this.hackResetWxReplySelect = false // 销毁组件
        this.$nextTick(() => {
          this.hackResetWxReplySelect = true // 重建组件
        })
        this.showRightFlag = true // 右边菜单
        this.tempObj = item // 这个如果放在顶部，flag会没有。因为重新赋值了。
        this.tempSelfObj.grand = '1' // 表示一级菜单
        this.tempSelfObj.index = i // 表示一级菜单索引
        this.isActive = i // 一级菜单选中样式
        this.isSubMenuFlag = i // 二级菜单显示标志
        this.isSubMenuActive = -1 // 二级菜单去除选中样式
        this.nameMaxlength = 4
        if (item.sub_button && item.sub_button.length > 0) {
          this.showConfigurContent = false
        } else {
          this.showConfigurContent = true
        }
        this.tempObj.appId = this.checkAppId
      },
      // 二级菜单点击事件
      subMenuFun(subItem, index, k) {
        this.hackResetWxReplySelect = false // 销毁组件
        this.$nextTick(() => {
          this.hackResetWxReplySelect = true // 重建组件
        })
        this.showRightFlag = true // 右边菜单
        this.tempObj = subItem // 将点击的数据放到临时变量，对象有引用作用
        this.tempSelfObj.grand = '2' // 表示二级菜单
        this.tempSelfObj.index = index // 表示一级菜单索引
        this.tempSelfObj.secondIndex = k // 表示二级菜单索引
        this.isSubMenuActive = `${index}${k}` // 二级菜单选中样式
        this.isActive = -1 // 一级菜单去除样式
        this.showConfigurContent = true
        this.nameMaxlength = 7
        this.tempObj.appId = this.checkAppId
      },
      // 添加横向一级菜单
      addMenu() {
        const menuKeyLength = this.menuKeyLength
        const addButton = {
          name: '菜单名称',
          sub_button: []
        }
        this.$set(this.menu.button, menuKeyLength, addButton)
        this.menuFun(this.menuKeyLength - 1, addButton)
      },
      // 添加横向二级菜单
      addSubMenu(i, item) {
        if (!item.sub_button || item.sub_button.length <= 0) {
          this.$set(item, 'sub_button', [])
          this.$delete(item, 'type')
          this.$delete(item, 'pagepath')
          this.$delete(item, 'url')
          this.$delete(item, 'key')
          this.$delete(item, 'media_id')
          this.$delete(item, 'textContent')
          this.showConfigurContent = false
        }
        const subMenuKeyLength = item.sub_button.length // 获取二级菜单key长度
        const addButton = {
          name: '子菜单名称'
        }
        this.$set(item.sub_button, subMenuKeyLength, addButton)
        this.subMenuFun(item.sub_button[subMenuKeyLength], i, subMenuKeyLength)
      },
      // 删除当前菜单
      deleteMenu(obj) {
        this.$confirm('确定要删除吗?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
          .then(() => {
            this.deleteData() // 删除菜单数据
            this.tempObj = {}
            this.showRightFlag = false
            this.isActive = -1
            this.isSubMenuActive = -1
          })
          .catch(() => {})
      },
      // 删除菜单数据
      deleteData() {
        // 一级菜单的删除方法
        if (this.tempSelfObj.grand === '1') {
          this.menu.button.splice(this.tempSelfObj.index, 1)
        }
        // 二级菜单的删除方法
        if (this.tempSelfObj.grand === '2') {
          this.menu.button[this.tempSelfObj.index].sub_button.splice(this.tempSelfObj.secondIndex, 1)
        }
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
      }
    }
  }
</script>

<style lang="scss" src="@/components/wechat/css/wechat.scss" scoped />
